Finding the Fourth Proportional to 82,109.39, 113,311.77 and 45,810.54

Step by Step Solution

1. Step 1: Write the proportion equation
   82,109.39 : 113,311.77 = 45,810.54 : x
2. Step 2: Convert to fraction form
   82,109.39/113,311.77 = 45,810.54/x
3. Step 3: Cross multiply
   82,109.39x = 113,311.77 × 45,810.54
4. Step 4: Simplify right side
   82,109.39x = 5,190,873,372.06
5. Step 5: Solve for x
   x = 5,190,873,372.06/82,109.39
6. Step 6: Final answer
   x = 63,219.00